<?php
/* 
 * Copyright (c) 2011 Antoine d'Otreppe de Bouvette
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

class SQLiteSelect extends Select {
    public function __toString() {
        $query = 'SELECT ' . implode(', ', $this->getProjection()) .
                ' FROM #' . $this->getTable();
        
        $conditions = $this->getConditions();
        if (!empty($conditions)) {
            $query .= ' WHERE ' . implode(' AND ', $conditions);
        }
        
        if ($this->getGroupBy()) {
            $query .= ' GROUP BY ' . $this->getGroupBy();
        }
        
        if ($this->getOrderBy()) {
            $query .= ' ORDER BY ' . $this->getOrderBy();
        }
        
        if ($this->getMax()) {
            $query .= ' LIMIT ' . (int)$this->getMax();
            
            if ($this->getOffset()) {
                $query .= ' OFFSET ' . (int)$this->getOffset();
            }
        }
        
        return $query;
    }
}
